The main body material is a backpack of the Progress-SC (progressive) series of Master-Piece (masterpiece), which is coated with environmentally friendly polyurethane. It is a matte material that has a rubber -like texture while giving an exquisite luster. PVC coating is applied to the back of the fabric to achieve waterproofness and firmness. No.02391-SC is a backpack suitable for daily use. ・ Main storage with laptops and tablet storage pockets・ Front storage suitable for storage of gadgets・ Front storage suitable for storing frequently in and out accessories・ Back storage suitable for storage of valuables・ YKK water -repellent zipper with water repellency effect Made in Japan Size W270 H405 D85mm Weight About 810G Material 600D polyester (surface: high durable polyurethane) / nylon twill (PVC coating) / oiled cower (combination tanning)